
Currency has been made from a variety of materials throughout history, from leather in China during the Han Dynasty to shells, precious metals, and cotton paper. Today, several countries are transitioning to plastic currency, also known as polymer banknotes. Polymer banknotes were first issued in 1988 by Australia, which now exclusively uses polymer currency. Polymer currency has several advantages, including increased security features, longevity, and energy efficiency. However, some countries have been hesitant to adopt polymer banknotes due to the higher initial production costs and the lack of recycling infrastructure in less developed nations.
| Characteristics | Values |
|---|---|
| Polymer banknotes first issued | 1988, Australia |
| Polymer banknotes made from | Synthetic polymer such as biaxially oriented polypropylene (BOPP) |
| Polymer banknotes security features | Yes, including the use of metameric inks, intaglio, metal strips, and clear areas |
| Polymer banknotes last longer | Yes, significantly longer than paper notes |
| Polymer banknotes cost-effective | Yes, reduced cost of production and replacement |
| Polymer banknotes environmentally friendly | Yes, decreased environmental impact |
| Countries that have fully switched to polymer banknotes | Australia, New Zealand, Romania, Vietnam, Brunei, Nigeria, Papua New Guinea, Canada, Maldives, Mauritania, Nicaragua, Vanuatu, Eastern Caribbean, UK, Barbados |
| US plans to switch to polymer banknotes | No immediate plans |
| US currency with polymer | US $100 bill contains a thin strip made of about 850,000 polymer micro-lenses |
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What You'll Learn

The US Federal Reserve has no plans to switch to plastic currency
Polymer banknotes are made from a synthetic polymer such as biaxially oriented polypropylene (BOPP) and offer several advantages over traditional paper notes. They are more durable and have a significantly longer lifespan, reducing the environmental impact and the cost of production and replacement. Polymer notes also incorporate advanced security features, such as holograms and see-through windows, making them more secure and less susceptible to counterfeiting.
Despite these benefits, the US Federal Reserve has cited several reasons for not adopting plastic currency. One significant factor is the high cost of replacing the numerous vending machines across the country to accept the new polymer notes. Additionally, US dollars are already highly regarded as a stable and secure currency, widely used and accepted globally.
Furthermore, the transition to plastic currency may present some challenges, such as the difficulty in folding polymer notes, which could be inconvenient for individuals carrying cash in their wallets. There have also been instances where countries have attempted to switch back to paper banknotes due to "significant difficulties associated with the processing and destruction of polymer banknotes," as in the case of Nigeria in 2012.
While the US Federal Reserve has no imminent plans to adopt plastic currency, several other countries have made the switch. Australia, which pioneered the use of polymer banknotes in 1988, has successfully used them for over three decades. Other countries that have fully converted to polymer notes include Romania, New Zealand, Vietnam, Canada, and the United Kingdom. Many other nations have also introduced polymer banknotes into commemorative or general circulation.
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Plastic currency is harder to counterfeit
Polymer banknotes also incorporate security features not available in paper banknotes, such as metameric inks and clear plastic windows. These security features further enhance the difficulty of counterfeiting. Every country that has introduced polymer banknotes has reported a decrease in counterfeiting attempts.
The durability of plastic currency also contributes to its resistance to counterfeiting. Plastic banknotes can last significantly longer than paper notes, reducing the need for frequent replacement and decreasing the opportunity for counterfeit notes to enter circulation.
While no currency is completely immune to counterfeiting, plastic currency offers enhanced security features and durability that make it harder to counterfeit compared to traditional paper banknotes. The adoption of plastic currency is a step towards staying ahead of counterfeiters and ensuring the integrity of a country's monetary system.
However, it is worth noting that the US has not adopted polymer banknotes and does not plan to in the future, according to an associate director of the US Federal Reserve Board. This decision may be influenced by the country's own counterfeit risk assessments and the impact on the substrate supply chain.
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Plastic currency is more durable
Plastic currency, also known as polymer banknotes, is increasingly being adopted by countries around the world. As of 2021, over 30 countries have made the switch to polymer currency, including Australia, Canada, Vietnam, and the Philippines.
Polymer banknotes offer several advantages over traditional paper currency. One of the most significant benefits is their durability. Polymer banknotes are made from synthetic polymers, such as biaxially oriented polypropylene (BOPP), which makes them significantly more durable than paper notes. Polymer notes last more than twice as long as paper notes, with some studies showing they can last up to 2.5 times longer. This increased durability reduces the need for frequent note production and distribution, resulting in cost savings and a lower environmental impact.
The durability of plastic currency also contributes to its ability to withstand heat and harsh conditions. Polymer banknotes can withstand temperatures as high as 285°F (140°C) without degrading, making them more suitable for use in diverse climates and environments. Additionally, polymer notes are more resistant to water damage, as they can be sanitised and cleaned without the same risk of damage as paper notes.
The longevity of plastic currency also has economic and environmental implications. By lasting longer, polymer notes require less frequent replacement, reducing the cost of production and replacement. This also leads to a decrease in the environmental impact associated with the manufacturing and distribution of currency. The production of polymer bills has been found to require 30% less energy than paper bills, resulting in a lower carbon footprint and reduced global warming potential.
Overall, the durability of plastic currency contributes to its increasing adoption by countries around the world. Polymer banknotes offer a more sustainable, cost-effective, and environmentally friendly alternative to traditional paper currency. With their ability to withstand wear and tear, heat, and water damage, polymer notes provide a longer-lasting and more resilient form of currency.
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Plastic currency is more hygienic
None of the US currency is made of plastic. According to an associate director of the US Federal Reserve Board, there are no plans to change the substrate of the US dollar banknote denominations to polymer.
However, polymer currency is more hygienic. Paper currency is made of a blend of 75% cotton and 25% linen. In contrast, polymer currency is made of plastic and is more durable than paper. Paper bills get grimy and damaged, whereas polymer currency can be sanitized with less damage. Polymer currency is also waterproof, and its longevity reduces the number of notes that need to be manufactured and distributed.
Polymer currency is also more secure from counterfeiting. Polymer banknotes usually have three levels of security devices. Primary security devices are easily recognizable by consumers and may include intaglio, metal strips, and clear areas of the banknote. Secondary security devices are detectable by a machine, and tertiary security devices may only be detectable by the issuing authority when a banknote is returned.
Polymer currency is also more cost-effective. They can be produced at a lower cost to the taxpayer and the environment. Polymer notes weigh less than paper ones, so their transportation and distribution are easier on the environment. At the end of their life, polymer notes are shredded, converted into pellets, and used to make everyday plastic items.
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Plastic currency is more costly to produce
Plastic currency, or polymer banknotes, have been adopted by over 30 countries worldwide. Polymer banknotes were first issued in 1988 by Australia, which now uses them exclusively. Polymer is now used in diverse countries such as Canada, Fiji, Mauritius, New Zealand, Romania, and Vietnam. The United Kingdom also began issuing polymer banknotes in 2016, starting with a £5 note featuring Sir Winston Churchill.
While plastic currency offers several advantages, there is some debate about whether it is more costly to produce than traditional paper currency. Some sources claim that polymer banknotes have a reduced cost of production and replacement due to their longer lifespan. Polymer banknotes are also said to be more secure from counterfeiting, which can reduce the costs associated with counterfeit bills.
However, there are also challenges associated with the processing and destruction of polymer banknotes, as noted by the Central Bank of Nigeria when they attempted to switch back to paper banknotes in 2012. Additionally, the recycling of plastic currency has been a topic of discussion, with some reports indicating that recycling plastic is "costly" and "infeasible." The sorting and separation of plastics can be particularly expensive, and the degradation of plastic during each turnover further impacts its value.
Overall, while plastic currency may offer benefits in terms of durability and security, there are considerations regarding its production, disposal, and recycling costs. The environmental impact of plastic currency is also a factor that needs to be carefully assessed, despite claims of reduced environmental footprint during production and at the end of a note's life.
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Frequently asked questions
No, none of the US dollar bills are printed on plastic. According to an associate director of the US Federal Reserve Board, there are no immediate plans to change the substrate of US dollar bills.
The US has not adopted plastic currency due to the immense cost of switching a currency. Additionally, the US society is becoming increasingly cashless, which may happen before the adoption of plastic currency.
Many countries have adopted plastic currency, including Australia, Canada, New Zealand, Romania, Vietnam, Brunei, Nigeria, Papua New Guinea, the Philippines, and more.















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